一、网络安全背景 随着计算机技术和通信技术的飞速发展,传统电信网正向现代信息网迅速发展。网络正在逐步改变着人们的工作方式和生活方式,成为当今社会发展的一个主题。网络的开放性、共享性、互连性程度的扩大,特别是互联网的出现,使得网络的重要性和对社会的影响也越来越大。随着网络上电子商务、电子现金、数字货币、网络银行等新业务的兴起,网络安全问题变得越来越重要。 First, the network security background With the rapid development of computer technology and communication technology, the traditional telecommunications network is developing rapidly to the modern information network. The Internet is gradually changing people’s way of working and lifestyle and has become a theme of today’s society. The openness, sharing and interconnectivity of the Internet, especially the emergence of the Internet, make the importance of the Internet and its impact on the society more and more large. With the rise of new businesses such as e-commerce, e-cash, digital currency and internet banking on the Internet, the issue of cybersecurity has become more and more important.